Hero vs Aliens

Title: Hero vs Aliens

Description:Hero vs Aliens is a fun game like plants vs zombies! The world is invaded by aliens. Please make good use of different capabilities of the heroes to fend off those aliens!
Controls:Mana girl produce energy balls; Lightning shooter and Barbarous Slayer kill aliens; Shield Soldier can stop aliens for a very long time. Use Recycle Prop to get back hero, and recycle half of the energy balls. Bomb can kill aliens around.